Dana H North Vernon , IN July 20, 2021 Appliance: Model DUET F2 code no voltage on line 2. This was because the heater element was 'open'.Replaced heater and also the door gasket.Thoroughly cleaned the vent pipe...it was stopped up (which likely caused the element to overheat and fail) Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours